Measurement of the absolute differential cross section of proton–proton elastic scattering at small angles

Mchedlishvili, D.; Chiladze, D.; Dymov, S.; Bagdasarian, Z.; Barsov, S.; Gebel, R.; Gou, B.; Hartmann, M.; Kacharava, A.; Keshelashvili, I.; Khoukaz, A.; Kulessa, P.; Kulikov, A.; Lehrach, A.; Lomidze, N.; Lorentz, B.; Maier, R.; Macharashvili, G.; Merzliakov, S.; Mikirtychyants, S.; Nioradze, M.; Ohm, H.; Prasuhn, D.; Rathmann, F.; Serdyuk, V.; Schroer, D.; Shmakova, V.; Stassen, R.; Stein, H. J.; Stockhorst, H.; Strakovsky, I. I.; Stroher, H.; Tabidze, M.; Taschner, A.; Trusov, S.; Tsirkov, D.; Uzikov, Yu.; Valdau, Yu.; Wilkin, C.; Workman, R. L.; Wustner, P.

doi:10.1016/j.physletb.2016.01.066

Title: Measurement of the absolute differential cross section of proton–proton elastic scattering at small angles

Journal Article · Wed Feb 03 00:00:00 EST 2016 · Physics Letters. B

DOI:https://doi.org/10.1016/j.physletb.2016.01.066· OSTI ID:1262051

Mchedlishvili, D. ^[1]; Chiladze, D. ^[1]; Dymov, S. ^[2]; Bagdasarian, Z. ^[1]; Barsov, S. ^[3]; Gebel, R. ^[4]; Gou, B. ^[5]; Hartmann, M. ^[4]; Kacharava, A. ^[4]; Keshelashvili, I. ^[4]; Khoukaz, A. ^[6]; Kulessa, P. ^[7]; Kulikov, A. ^[8]; Lehrach, A. ^[4]; Lomidze, N. ^[9]; Lorentz, B. ^[4]; Maier, R. ^[4]; Macharashvili, G. ^[10]; Merzliakov, S. ^[11]; Mikirtychyants, S. ^[12] more »

Tbilisi State Univ., Tbilisi (Georgia); Forschungszentrum Julich, Julich (Germany)
JINR, Dubna (Russia); Petersburg Nuclear Physics Institute, Gatchina (Russia)
Petersburg Nuclear Physics Institute, Gatchina (Russia)
Forschungszentrum Julich, Julich (Germany)
Forschungszentrum Julich, Julich (Germany); Chinese Academy of Sciences, Lanzhou (China)
Univ. Munster, Munster (Germany)
H. Niewodniczanski Institute of Nuclear Physics PAN, Krakow (Poland)
JINR, Dubna (Russia)
Tbilisi State Univ., Tbilisi (Georgia)
Tbilisi State Univ., Tbilisi (Georgia); JINR, Dubna (Russia)
JINR, Dubna (Russia); Forschungszentrum Julich, Julich (Germany)
Forschungszentrum Julich, Julich (Germany); Petersburg Nuclear Physics Institute, Gatchina (Russia)
George Washington Univ., Washington, D.C. (United States)
High Energy Physics Institute, Tbilisi State University, GE-0186 Tbilisi, Georgia
Forschungszentrum Rossendorf, Dresden (Germany); M.V. Lomonosov Moscow State Univ., Moscow (Russia)
Petersburg Nuclear Physics Institute, Gatchina (Russia); Univ. Bonn, Bonn (Germany)
UCL, London (United Kingdom)

The differential cross section for proton-proton elastic scattering has been measured at a beam energy of 1.0 GeV and in 200 MeV steps from 1.6 to 2.8 GeV for centre-of-mass angles in the range from 12°–16° to 25°–30°, depending on the energy. Absolute normalisations of typically 3% were achieved by studying the energy losses of the circulating beam of the COSY storage ring as it passed repeatedly through the windowless hydrogen target of the ANKE magnetic spectrometer. It is shown that the data have a significant impact upon a partial wave analysis. Furthermore, after extrapolating the differential cross sections to the forward direction, the results are broadly compatible with the predictions of forward dispersion relations.

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Research Organization:: Tbilisi State Univ., Tbilsi (Georgia); George Washington Univ., Washington, DC (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); Forschungszentrum Julich (COSY-FEE); Shota Rustaveli Science Foundation

Grant/Contract Number:: FG02-99ER41110

OSTI ID:: 1262051

Alternate ID(s):: OSTI ID: 1310401

Journal Information:: Physics Letters. B, Vol. 755, Issue C; ISSN 0370-2693

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 7 works

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References (18)

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Cited By (3)

Partial-wave analysis of nucleon-nucleon elastic scattering data Workman, Ron L.; Briscoe, William J.; Strakovsky, Igor I. Physical Review C, Vol. 94, Issue 6 https://doi.org/10.1103/physrevc.94.065203	journal	December 2016
Partial-Wave Analysis of Nucleon-Nucleon Elastic Scattering Data Workman, Ron L.; Briscoe, William J.; Strakovsky, Igor I. arXiv https://doi.org/10.48550/arxiv.1609.01741	text	January 2016
The KOALA experiment for (anti)proton–proton elastic scattering Zhou, Yong; Xu, Huagen; Bechstedt, Ulf Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 1019 https://doi.org/10.1016/j.nima.2021.165849	journal	December 2021

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Title: Measurement of the absolute differential cross section of proton–proton elastic scattering at small angles

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